diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-05-10 17:05:24 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-05-10 17:05:45 +0200 |
| commit | 932fed4e2e42c3d730c01bb63b1c4f812c533d5b (patch) | |
| tree | 11b1afac3a40d253cdb905c42901edfaae5e196e /drivers/gpu/drm/drm_irq.c | |
| parent | 57d524154ffe99d27fb55e0e30ddbad9f4c35806 (diff) | |
| parent | 693d92a1bbc9e42681c42ed190bd42b636ca876f (diff) | |
Merge commit 'v2.6.39-rc7' into perf/core
Merge reason: pull in the latest fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 741457bd1c4..a1f12cb043d 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -932,11 +932,34 @@ EXPORT_SYMBOL(drm_vblank_put); void drm_vblank_off(struct drm_device *dev, int crtc) { + struct drm_pending_vblank_event *e, *t; + struct timeval now; unsigned long irqflags; + unsigned int seq; spin_lock_irqsave(&dev->vbl_lock, irqflags); vblank_disable_and_save(dev, crtc); DRM_WAKEUP(&dev->vbl_queue[crtc]); + + /* Send any queued vblank events, lest the natives grow disquiet */ + seq = drm_vblank_count_and_time(dev, crtc, &now); + list_for_each_entry_safe(e, t, &dev->vblank_event_list, base.link) { + if (e->pipe != crtc) + continue; + DRM_DEBUG("Sending premature vblank event on disable: \ + wanted %d, current %d\n", + e->event.sequence, seq); + + e->event.sequence = seq; + e->event.tv_sec = now.tv_sec; + e->event.tv_usec = now.tv_usec; + drm_vblank_put(dev, e->pipe); + list_move_tail(&e->base.link, &e->base.file_priv->event_list); + wake_up_interruptible(&e->base.file_priv->event_wait); + trace_drm_vblank_event_delivered(e->base.pid, e->pipe, + e->event.sequence); + } + spin_unlock_irqrestore(&dev->vbl_lock, irqflags); } EXPORT_SYMBOL(drm_vblank_off); |